(19)

(11)

EP 0 705 135 A1

(12)

(43) Date of publication: 10.04.1996 Bulletin 1996/15 (21) Application number: 94919934.0 (22) Date of filing: 16.06.1994

(51) International Patent Classification (IPC):  A61F 2/ 46( . ) B01F 3/ 12( . ) B01F 15/ 02( . ) B01F 13/ 00( . ) B01F 13/ 06( . ) (86) International application number: PCT/SE1994/000593 (87) International publication number: WO 1995/000240 (05.01.1995 Gazette 1995/02)

(84) Designated Contracting States: DE GB SE (30) Priority: 21.06.1993 US 19930081445 (71) Applicant: CEMVAC SYSTEM AKTIEBOLAG S-194 23 Upplands Väsby (SE)	(72) Inventor: JONSSON, Sören S-582 70 Linköping (SE) (74) Representative: Willquist, Bo  Albihn Willquist AB S:t Larsgatan 23 S-582 24 Linköping S-582 24 Linköping (SE)